Preheat the oven to 375 degrees F. Line a 14-inch,
light colored, round pizza pan with parchment
paper and grease the parchment paper.
In a large bowl, cream the butter and sugars. Add
the eggs, beating well after the addition of each.
In a bowl, combine the flour, baking soda, and
salt and mix with a whisk. Add to the butter
mixture, mixing to incorporate, and add the
vanilla extract. Fold in the dark and white chips
and the nuts. Spread across the bottom of the
prepared pan and bake until the edges are golden
and the cookie is set but the center is still
slightly soft, 20 to 25 minutes. Cool in the pan
for 10 minutes, then transfer to a wire rack to